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W91570DN - 23-MEMORY TONE/PULSE DIALER

Description

The W91570DN series ICs are Si-gate CMOS ICs that provide the signals needed for either pulse or tone dialing.

They feature 23 number memories and a 16-digit LCD driver for displaying telephone numbers and calling time.

A real time clock is included to display the time of day.

Features

  • Three by 32 digits for redial, save and mercury memory.
  • Twenty by 16 digits for one-touch direct or two-touch indirect repertory memory.
  • Uses 6 × 10 keyboard.
  • Pause, Pulse-to-tone (.
  • /T) and flash can be stored as a digit in memory.
  • Minimum tone output duration: 87 mS.
  • Minimum intertone pause: 87 mS.
  • Tone/Pulse mode pin selectable.
  • Make/Break ratio pin selectable.
  • Dialing rate (10 or 20 ppS) pin selectable.

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Datasheet preview – W91570DN

Datasheet Details

Part number W91570DN
Manufacturer Winbond
File Size 661.97 KB
Description 23-MEMORY TONE/PULSE DIALER
Datasheet download datasheet W91570DN Datasheet
Additional preview pages of the W91570DN datasheet.

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Full PDF Text Transcription

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W91570DN SERIES 23-MEMORY TONE/PULSE DIALER WITH AUTOREDIAL RTC AND LCD DISPLAY FUNCTIONS GENERAL DESCRIPTION The W91570DN series ICs are Si-gate CMOS ICs that provide the signals needed for either pulse or tone dialing. They feature 23 number memories and a 16-digit LCD driver for displaying telephone numbers and calling time. A real time clock is included to display the time of day. The W91570DN series is fabricated using CMOS technology providing good performance in low voltage, low power applications.
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